class PowerBar(QWidget):
"""Custom Qt Widget to show a power bar and dial.
Left-clicking the button shows the color-chooser, while
right-clicking resets the color to None (no-color)."""
colorChanged = QtCore.Signal()
def __init__(self, steps: Union[int, List[AllowedColorType]] = 5) -> None:
super().__init__()
layout = QVBoxLayout()
self._bar = _Bar(steps)
layout.addWidget(self._bar)
# Create the QDial widget and set up defaults.
# - we provide accessors on this class to override.
self._dial = QDial()
self._dial.setNotchesVisible(True)
self._dial.setWrapping(False)
self._dial.valueChanged.connect(self._bar._trigger_refresh)
# Take feedback from click events on the meter.
self._bar.clickedValue.connect(self._dial.setValue)
layout.addWidget(self._dial)
self.setLayout(layout)
def __getattr__(self, name: str) -> Any:
if name in self.__dict__:
return self[name]
else:
return getattr(self._dial, name)
def setColor(self, color: AllowedColorType) -> None:
self._bar.steps = [color] * self._bar.n_steps
self._bar.update()
def setColors(self, colors: List[AllowedColorType]) -> None:
self._bar.n_steps = len(colors)
self._bar.steps = colors
self._bar.update()
def setBarPadding(self, i: float) -> None:
self._bar._padding = int(i)
self._bar.update()
def setBarSolidPercent(self, f: float) -> None:
self._bar._bar_solid_percent = float(f)
self._bar.update()
def setBackgroundColor(self, color: AllowedColorType) -> None:
self._bar._background_color = QtGui.QColor(color)
self._bar.update()
def init_item_rotation_layout(item):
current_rotation = item.rotation()
label_layout = QHBoxLayout()
label_layout.addWidget(QLabel("Rotation"))
rotation_value_label = QLabel(str(current_rotation) + " \N{DEGREE SIGN}")
label_layout.addWidget(rotation_value_label)
rotation_layout = QVBoxLayout()
rotation_layout.addLayout(label_layout)
rotation_input = QDial()
rotation_input.setMinimum(0)
rotation_input.setMaximum(359)
rotation_input.setSingleStep(1)
rotation_input.setWrapping(True)
rotation_input.setValue(int(current_rotation))
rotation_input.valueChanged.connect(lambda current_value:
set_item_rotation(
current_value, item,
rotation_value_label))
rotation_layout.addWidget(rotation_input)
return rotation_layout
class UhrWindow(QDialog):
"""Uhr dialog menu with dial"""
def __init__(self, master, uhr_position):
"""
Uhr plugboard device
:param master: Qt parent widget
:param uhr_position: {callable} Sets the indicator to the current
uhr position (if any)
"""
super().__init__(master)
# QT WINDOW SETTINGS ===================================================
self.setWindowTitle("Uhr")
self.setFixedSize(300, 400)
main_layout = QVBoxLayout(self)
self.setLayout(main_layout)
# UHR POSITION DIAL ====================================================
self.__indicator = QLabel("00")
self.__indicator.setStyleSheet(
"font-size: 20px; text-align: center; background-color: white")
self.__indicator.setFrameStyle(QFrame.Panel | QFrame.Sunken)
self.__indicator.setFixedSize(40, 40)
self.__indicator.setLineWidth(2)
self.__dial = QDial()
self.__dial.setWrapping(True)
self.__dial.setRange(0, 39)
self.__dial.setFixedSize(280, 280)
self.__dial.setSizePolicy(QSizePolicy.Expanding, QSizePolicy.Expanding)
position = 0
try:
position = uhr_position()
logging.info("Successfully loaded Uhr position %d from plug...",
position)
except ValueError:
logging.info(
"Failed loading Uhr position from plug, setting to 0...")
self.__dial.setValue(position)
self.__old_position = position
self.__indicator.setText("%02d" % position)
self.__dial.valueChanged.connect(self.refresh_indicator)
# BUTTONS ==============================================================
apply_btn = QPushButton("Apply")
apply_btn.clicked.connect(self.apply)
storno_btn = QPushButton("Storno")
storno_btn.clicked.connect(self.storno)
btn_frame = QFrame(self)
btn_layout = QHBoxLayout(btn_frame)
# SHOW WIDGETS =========================================================
btn_layout.addWidget(storno_btn)
btn_layout.addWidget(apply_btn)
main_layout.addWidget(btn_frame)
main_layout.addWidget(self.__indicator, alignment=Qt.AlignHCenter)
main_layout.addWidget(self.__dial, alignment=Qt.AlignHCenter)
main_layout.addWidget(btn_frame)
def refresh_indicator(self):
"""Sets displayed indicator value to current dial value"""
self.__indicator.setText("%02d" % self.__dial.value())
def position(self):
"""Returns current Uhr dial setting"""
return self.__dial.value()
def apply(self):
"""Sets currently selected position to be collected when applying settings"""
self.__old_position = self.__dial.value()
logging.info("New Uhr position %d applied, closing...",
self.__old_position)
self.close()
def storno(self):
"""Undoes current changes"""
logging.info("Storno, reverting to old position %d...",
self.__old_position)
self.__dial.setValue(self.__old_position)
self.close()